Compare phones
| Global Score | |
| 76.7 | 79.8 |
| Basic Information | |
| Xiaomi | Sony |
| Android 11 | Android 5.1 |
| 2021-05-27 | 2015-09-02 |
| 6.23 x 2.96 x 0.33 inches | 6.08 x 2.99 x 0.31 inches |
| 6.70 ounces | 6.35 ounces |
| Moonlight White, Neptune Blue and Space Black, | Black, Gold and Gray |
| Glass and Plastic | Glass and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 545.00 |
| Display / Screen | |
| 6.3 inches | 5.5 inches |
| 2340 x 1080 pixels | 2160 x 3840 pixels (4K) |
| IPS LCD | IPS LCD |
| 409 pixels per inch | 801 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 10.6 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 810 MSM8994 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB (1600 MHz) RAM |
| Mali G52 MC2 GPU | Adreno 430 (450 MHz) GPU |
| 9.09 | 9.36 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSD, microSDHC, microSDXC (up to 200 GB) external memory slot |
| 10.02 | 8.56 |
| Camera | |
| 48.00 MP + 13.00 MP | 23.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (60 fps) (HD) slow motion video |
| 11 | 10.56 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | LTE-A (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 7.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3430mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | 630 hours standby time 15.2 hours talk time |
| 5.92 | 5.44 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 4.1 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Sony Xperia Z5 Premium is just a bit better than Xiaomi Redmi Note 8 2021, getting a 79.8 score against 76.7. The Sony Xperia Z5 Premium body is just a little bit lighter and a bit thinner than the Xiaomi Redmi Note 8 2021, although it was released many years before. Both phones in this comparison review come with Android OS (Operating System), but Sony Xperia Z5 Premium has 5.1 version while Xiaomi Redmi Note 8 2021 has Android 11 version.
The Xperia Z5 Premium has a bit better processing power than Xiaomi Redmi Note 8 2021, because although it has less RAM memory, and they both have 8 CPU cores, the Xperia Z5 Premium also counts with an extra graphics processing unit. Sony Xperia Z5 Premium has a lot better display than Xiaomi Redmi Note 8 2021, because although it has a bit smaller display, it also counts with a lot higher resolution of 3840 x 2160 and a lot higher quantity of pixels per inch of screen.
The Xiaomi Redmi Note 8 2021 captures a bit better photographs and videos than Sony Xperia Z5 Premium, and although they both have the same 1920x1080 video resolution, the same video frame rate and the same aperture, the Xiaomi Redmi Note 8 2021 also has a larger sensor and a much more megapixels camera.
Xiaomi Redmi Note 8 2021 has a greater storage to install applications and games or saving photos and videos than Xperia Z5 Premium, because although it has an external memory card slot that admits a maximum of 128 GB against 200 GB, it also counts with 64 GB internal storage capacity. Xiaomi Redmi Note 8 2021 features a little longer battery life than Xperia Z5 Premium, because it has 4000mAh of battery capacity against 3430mAh.
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